Because it aids in comprehending measurements when the data is scattered, standard deviation is significant. The standard deviation of the data will be higher the more evenly dispersed the data is.
The term "standard deviation" (or "") refers to a measurement of the data's dispersion from the mean. A low standard deviation implies that the data are grouped around the mean, whereas a large standard deviation shows that the data are more dispersed. The best measure of dispersion is standard deviation since it most closely resembles the ideal measure of dispersion. 1. The Standard Deviation is the main tenet of statistical theory. Comparing the variability of two or more sets of data is useful.
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If the expression n² - 2n - 8 represents the net profit
on the sale of n units of a product, which of the
following values represents the number of units
sold for which the net profit equals 0 dollars?
A) 2
B) 4
C) 6
D) 8
Option B) 4 is the number of units of product sold to get a profit of 0 dollars when the algebraic expression for profit is given.
the expression for net profit is [tex]n^{2}[/tex] -2n - 8 for the sale of n units of a product
If net profit equals 0 then
[tex]n^{2}[/tex] - 2n -8 =0
⇒[tex]n^{2}[/tex] - 4n + 2n - 8= 0
⇒ n ( n - 4) + 2(n - 4) = 0
⇒(n + 2)(n - 4) = 0
∴ n+ 2 = 0
⇒ n = -2
OR
n - 4 = 0
⇒ n = 4
As the number of units of product sold cannot be negative, thus n cannot have a value of -2
The only remaining value is n = 4
Thus, 4 units of the product are sold for 0 dollars profit. Option B) 4 is the correct answer.
Know about the other method to solve such quadratic equations
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The double-hung window sash height from the subfloor is _______.
Group of answer choices
4'-8"
6'-8-1/2"
7'-2-7/16"
8'-1"
Answer:
Double-Hung Window Opening and Area Specifications ... Top of Subfloor ... upon a structural header height of 6'-10 1/2" (2096) except for units greater.
is the stomach a voluntary or in involuntary organ.
What is the length of BD?
In the given figure, the length of BD is 14. The correct option is A.
What is the length?Length is the measurement of the extent of something from one end to another, end. The SI unit of length is a meter (m).
Given, that AB is twice the length of BC
BC = CD
DE is a triple of CD
The length of AE is 19
Let's assume BC and CD = x
We have to calculate the length of the CD.
AB = 2x
DE = 3x
Putting the values:
2x + 3x = 49
7x = 49
x = 49 / 7
x = 7
BC and CD = x
7x + 7x = 14x
Therefore, the correct option is A. 14 regarding the given line.
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Answer: A
Explanation: Took a test with the same question and got it correct
which team member is not involved in game development
which team member is not involved in game development is: writer.
What is the positive difference between the circumference of circle B and the circumference of circle A?
The positive difference between the circumference of circle B and the circumference of circle A is 1. Thus, the correct option for this question is A.
What is the circumference of the circle?The circumference of the circle may be defined as the total stretch of the boundary of the circle. The formula for calculating the circumference of the circle is as follows:
C = 2πr.where, C = circumference of the circle.
π = the constant pie.
r = radius of the circle.
According to the question,
The circumference of the circle A = 2π (r+1).
The circumference of the circle B = 2π (r+2).
∴The positive difference between the circumference of circle B and the circumference of circle A is as follows:
2π (r+2) - 2π (r+1) = 1.
Therefore, the positive difference between the circumference of circle B and the circumference of circle A is 1. Thus, the correct option for this question is A.
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Whats a fire abd why soes it whats the word burn
Answer: we stan the little mermaid
Summary of types of mixtures I need asap pls help meee
There are two main types of mixtures. They are:
Heterogeneous Mixtures; and Homogeneous mixtures. See further explanation below.What is a mixture?A mixture is a material composed of two or more separate chemical components that are not chemically linked. A mixture is the physical combining of two or more substances that retain their identities and are blended in the form of solutions, suspensions, and colloids.
Mixtures are classified into two types: heterogeneous and homogeneous. Heterogeneous mixes feature distinct components, whereas homogeneous mixtures look uniform throughout. A solution, which can be solid, liquid, or gas, is the most frequent form of homogeneous combination.
Examples of heterogeneous mixtures are:
oil and watersand and waterOil and wateroil and vinegarSolid earth and liquid watersmoke (gas + solid gas)Aerosol (gas + solid)Sparkling water (water + CO₂)Examples of homogeneous mixtures are:
SteelDiamondNatural WaterAir, SteelDetergent
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Full Question:
Give a summary of types of mixtures.